verb (used with object), du·pli·cat·ed, du·pli·cat·ing.
verb (used without object), du·pli·cat·ed, du·pli·cat·ing.
- duplex process,
- duplex pump,
- duplex uterus,
- duplicate bridge,
- duplicating machine,
- duplication of chromosomes,
- duplication of the cube
Origin of duplicate
Examples from the Web for duplicate
He lost the bet on the twenty-eighth question, when a duplicate birthday turned up.
Wayne has infused the whole operation with a spirit of joy and dedication that is stealth seasoning no one can duplicate.
And it does seem true that Bitcoins are very hard to forge or duplicate.
Son of God is trying to duplicate the grassroots strategy that paid off for Gibson.Will ‘Son of God’ Be the Next Grassroots Christian Blockbuster?|Myra Adams|February 19, 2014|DAILY BEAST
Illegible handwriting and typos lead to errors and duplicate entries.A Bipartisan Path to Fixing America’s Broken Elections|Michael Waldman|January 24, 2014|DAILY BEAST
This the Echo, with very little hesitation, repeated in duplicate as usual.
Inside the annex to the lighthouse were the duplicate engines for filling tanks with compressed air.Some Naval Yarns|Mordaunt Hall
Soon after the action, we were ordered to Spithead, with duplicate despatches.Frank Mildmay|Captain Frederick Marryat
A numbered check is given to the employee and a duplicate attached to the parcel.How Department Stores Are Carried On|W. B. Phillips
In a few minutes he looked at his watch, and then pulled out a note, a duplicate of the one she had herself received.The Mayor of Casterbridge|Thomas Hardy
Word Origin for duplicate
mid-15c., "having two parts, double," from Latin duplicatus, past participle of duplicare "to double," from duo "two" (see two) + plicare "to fold" see ply (v.1)). Meaning "exactly corresponding, that is an exact copy of" is from 1812.
1620s, "to double," from Latin duplicatus, past participle of duplicare (see duplicate (adj.)). Meaning "make an exact copy" is from 1640s (implied in duplicated). Related: Duplicating. The noun is first recorded 1530s.